1985 Mazda RX-7 vs. 1976 Renault 15
To start off, 1985 Mazda RX-7 is newer by 9 year(s). Which means there will be less support and parts availability for 1976 Renault 15. In addition, the cost of maintenance, including insurance, on 1976 Renault 15 would be higher. At 2,292 cc, 1985 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1985 Mazda RX-7 (165 HP @ 6500 RPM) has 67 more horse power than 1976 Renault 15. (98 HP @ 5750 RPM). In normal driving conditions, 1985 Mazda RX-7 should accelerate faster than 1976 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1976 Renault 15 weights approximately 148 kg more than 1985 Mazda RX-7.
Let's talk about torque, 1985 Mazda RX-7 (225 Nm @ 4000 RPM) has 90 more torque (in Nm) than 1976 Renault 15. (135 Nm @ 3500 RPM). This means 1985 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1976 Renault 15.
Compare all specifications:
| 1985 Mazda RX-7 | 1976 Renault 15 | |
| Make | Mazda | Renault |
| Model | RX-7 | 15 |
| Year Released | 1985 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1647 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 165 HP | 98 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 225 Nm | 135 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 912 kg | 1060 kg |
| Vehicle Length | 4300 mm | 4270 mm |
| Vehicle Width | 1680 mm | 1640 mm |
| Vehicle Height | 1280 mm | 1320 mm |
| Wheelbase Size | 2430 mm | 2450 mm |
